Finding the Fourth Proportional to 746,523.40, 1,119,785.10 and 613,553.80
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Solution
The fourth proportional to 746,523.40, 1,119,785.10 and 613,553.80 is: 920,330.70
Step by Step Solution
- Step 1: Write the proportion equation
746,523.40 : 1,119,785.10 = 613,553.80 : x - Step 2: Convert to fraction form
746,523.40/1,119,785.10 = 613,553.80/x - Step 3: Cross multiply
746,523.40x = 1,119,785.10 × 613,553.80 - Step 4: Simplify right side
746,523.40x = 687,048,403,288.38 - Step 5: Solve for x
x = 687,048,403,288.38/746,523.40 - Step 6: Final answer
x = 920,330.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.